Korean courses can help you learn the language's grammar, vocabulary, pronunciation, and cultural nuances. You can build skills in conversational fluency, reading comprehension, and writing in Hangul, along with understanding idiomatic expressions and regional dialects. Many courses introduce tools like language apps and online dictionaries, which support vocabulary building and practice through interactive exercises.

Johns Hopkins University
Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), Ajax, Javascript, Responsive Web Design, Front-End Web Development, Bootstrap (Front-End Framework), Web Design, Hypertext Markup Language (HTML), Web Development, Development Environment, Web Development Tools, Web Design and Development, JSON, Web Applications, Web Content Accessibility Guidelines, Browser Compatibility, Object Oriented Programming (OOP), Event-Driven Programming, User Interface and User Experience (UI/UX) Design
★ 4.7 (17K) · Beginner · Specialization · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Grammar, Peer Review, Editing, Writing, Writing and Editing, Organizational Skills, Research, Proofreading, Report Writing, Research Methodologies, Critical Thinking, English Language, Literacy, Planning, Persuasive Communication, Style Guides, Reliability
★ 4.7 (23K) · Beginner · Specialization · 3 - 6 Months

California Institute of the Arts
Skills you'll gain: Graphic and Visual Design, Typography, Graphic Design, Graphic and Visual Design Software, Visual Design, Design, Color Theory, Design Elements And Principles, Ideation, Creative Design, Logo Design, Visual Storytelling, Design Software, Conceptual Design, Design Reviews, Style Guides, Layout Design, Digital Design, Adobe Photoshop, Art History
★ 4.7 (22K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Jest (JavaScript Testing Framework), Django (Web Framework), Version Control, Restful API, Responsive Web Design, Cascading Style Sheets (CSS), Unix Commands, HTML and CSS, Git (Version Control System), Back-End Web Development, API Testing, GitHub, Relational Databases, Object Oriented Programming (OOP), Database Management Systems, Bootstrap (Front-End Framework), Database Management, Code Reusability, React.js, Python Programming
★ 4.7 (25K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Operating System Administration, Package and Software Management, File Systems, Microsoft Windows, Desktop Support, Linux, Operating Systems, OS Process Management, Linux Administration, Remote Access Systems, System Monitoring, Command-Line Interface, User Accounts, Systems Administration, System Support, User Provisioning, Technical Support and Services, File Management, Linux Commands, Software Installation
★ 4.7 (29K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Data Wrangling, Data Presentation, Big Data, Interactive Data Visualization, Data Analysis, Statistical Visualization, Data Cleansing, Apache Hadoop, Statistical Analysis, Data Visualization, Data Import/Export, Apache Hive, Data Mart, Data Processing, Data Warehousing, Data Transformation, Apache Spark, Data Science, Microsoft Excel
★ 4.8 (21K) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Version Control, Data Science, R (Software), Git (Version Control System), GitHub, Software Versioning, Data Literacy, General Science and Research, Data Analysis, R Programming, Development Environment, Statistical Reporting, Software Installation
★ 4.6 (34K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: User Research, Cascading Style Sheets (CSS), User Experience Design, Design Research, Linux Commands, Unix, Usability, Debugging, User Interface (UI), Software Visualization, Event-Driven Programming, Web Content Accessibility Guidelines, Pseudocode, Hypertext Markup Language (HTML), User Interface and User Experience (UI/UX) Design, Javascript, UI Components, Unit Testing, JavaScript Frameworks, Code Reusability
★ 4.7 (24K) · Beginner · Professional Certificate · 3 - 6 Months
Duke University
Skills you'll gain: File I/O, UI Components, Java Programming, Object Oriented Design, Software Design, Debugging, Web Design and Development, Software Engineering, Code Reusability, Hypertext Markup Language (HTML), Computer Programming, Program Development, Event-Driven Programming, Bioinformatics, Encryption, Computer Programming Tools, Javascript, Algorithms, Data Analysis, Cascading Style Sheets (CSS)
★ 4.6 (22K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Dashboard, Data Warehousing, Extract, Transform, Load, Data Storytelling, SQL, Data Visualization, Dashboard Creation, Database Design, Data Security, Data Migration, Data Governance, Data Presentation, Descriptive Statistics, Data Store, Data Management, MySQL, Databases, Data Architecture, Excel Formulas, Business Intelligence
★ 4.7 (19K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Responsible AI, Generative AI, Generative Model Architectures, LLM Application, AI literacy, Natural Language Processing, Robotics, Risk Mitigation
★ 4.7 (23K) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Wireframing, Responsive Web Design, HTML and CSS, Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Cascading Style Sheets (CSS), Web Design, Web Development Tools, Javascript, Bootstrap (Front-End Framework), Web Design and Development, Debugging, Web Language, Front-End Web Development, Verification And Validation, Web Development, Interactive Design, Event-Driven Programming, Web Frameworks, Application Frameworks
★ 4.7 (35K) · Beginner · Specialization · 3 - 6 Months